Pcm time division telephone switching system



PCM rIIMII DIVISION TELEPHONE swITcHING SYSTEM Filed sept. 11, 195e D. B. J'AMs ErAL 44 Sheets-Sheet 1 Oct. 25, v1960 ATTORNEY 2,957,949 PCM TIME DIVISION TELEPHONE swITcHING SYSTEM Filed sept. 11, 195e D. B. JAMES vEI'IAL Oct. 25, 1960 44 Sheets-Sheet 2 Oct.` 25, 1960 44 Sheets-Sheet 5 Filed Sept. l1, 1958 mmm,

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PCM TIME DIVISION TELEPHONE SWITCHING SYSTEM 44 Sheets-Sheet 6 Oct. 25, 1960 Filed Sept. 1l, 1958 PCM TIME DIVISION TELEPHONE swI'rci-IING SYSTEM Filed sept. 11, 1958 Ot. 25, 1960 D. B. JAMES Erm.

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PCM TIME: DrvrsxoN TELEPHONE SWITCHING SYSTEM Filed sept. 11, 1958 44 Sheets-Sheet 14 D. B. JAMES ET AL 2,957,949

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3' g' ZNESEN /NVEA/ToRSf' M', ARNm/GH By .,1. MALTHANER Q ,QM ATTORNEY (WMS PCM TIME DIVISION TELEPHONE.' SWITCHING SYSTEM Filed sept.y 11, 1958 Oct. 25, 1960 D. B. JAMES ETAL 44 Sheets-Sheet 19 PCM TIME DIVISION TELEPHONE swITcHINs SYSTEM Filed sept. 11, 1958 Oct. 25, 1960 D. B. JAMES ETAL 44 Sheets-Sheet 2O @Gd m D. B. JAMES www: www

By W. A. MALTHANER W Q Aww A 7' TORNEY 

